docs: def canvases_with(drawable):
      """
      Return a list of all canvases where `drawable` has been painted.
  
      Note: This function is inefficient because it inspects all objects on all
            canvases, recursively. Avoid calling it if you have a large number of
            canvases and primitives.
      """
      return [c for c in ROOT.gROOT.GetListOfCanvases()
              if drawable in find_all_primitives(c)]